1Features: The vehicle mounted radar detection device is a laser eye detector for 360 degree laser detection, which can detect any stable or moving radar speed monitor 200?800m ahead. 2Function: Advance speed measurement warning distance of 200?800 meters (accurate speed measurement of 300 meters) to ensure driving safety. 3High Performance: 360 degree detection with super fast sweep circuitry, provides extra detection range and the best possible advance warning to even the fastest radar detection device. 4Multifunctional: Adopts speed sensing auto mute system that virtually eliminates false alerts, and will render your detector undetectable by currently available radar detector detectors. 5Could receive X.K.Ka.Ct.Laser signal at full frequency, with Chinese, English, Russian language optional, 230mA operating current, with nixie tube display